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Table 1 Results of analyses which regressed in vitro Plasmodium falciparum growth inhibition against each cross-reactive antibody level.

From: Suppression of Plasmodium falciparum by serum collected from a case of Plasmodium vivax infection

 

Simple linear regression

Prais-Winsten's regression

  

half-day††

one-day††

two-day††

 

(N = 64†)

(N = 62)

(N = 50)

(N = 27)

IgM against schizont extract

R2 = 0.50

(P < 0.0001)

R2 = 0.43

(P < 0.0001)

R2 = 0.44

(P < 0.0001)

R2 = 0.56

(P < 0.0001)

IgM against MSP-119

R2 = 0.38

(P < 0.0010)

R2 = 0.16

(P = 0.0016)

R2 = 0.18

(P = 0.0022)

R2 = 0.16

(P = 0.036)

IgG against szhitont extract

R2 = 0.22

(P = 0.0001)

R2 = 0.011

(P = 0.41)

R2 = 0.026

(P = 0.27)

R2not obtained

(P = 1.0)

IgG against MSP-119

R2 = 0.029

(P = 0.18)

R2 = 0.079

(P = 0.063)

R2 = 0.22

(P = 0.0006)

R2 = 0.070

(P = 0.18)

  1. Each regression analysis was conducted against single independent variable. †One serum sample (day 6) was not available for antibody measurements and growth inhibition assays. †† For Prais-Winsten's analysis, the data was aggregated in each time-step of half-day, one-day or two-day lengths.